Airing for roughly fifteen years, ER saw the death and abrupt exits of many beloved characters, most notably Dr. Mark Greene ...

Noah Wyle looks back on his time playing Dr. John Carter on 'ER' and his crossover with 'Friends,' revealing to PEOPLE he was ...

It turns out that both shows have characters named Rachel Green(e), with the one on ER being Mark Greene's daughter, Rachel, who was played by Yvonne Zima and Hallee Hirsh during the first 10 ...

Mark Greene, Ph.D., is an associate professor in the Department of Philosophy at the University of Delaware. He earned his Ph.D. in philosophy from the Stanford University. His research focus is on ...